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Finding the Fourth Proportional to 134.04, 184.50 and 123.42

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Solution

The fourth proportional to 134.04, 184.50 and 123.42 is: 169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.04 : 184.50 = 123.42 : x
  2. Step 2: Convert to fraction form
    134.04/184.50 = 123.42/x
  3. Step 3: Cross multiply
    134.04x = 184.50 × 123.42
  4. Step 4: Simplify right side
    134.04x = 22,770.99
  5. Step 5: Solve for x
    x = 22,770.99/134.04
  6. Step 6: Final answer
    x = 169.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.